*{ 
  padding: 0; 
  margin: 0; 
  box-sizing: border-box;
  font-size: 18px; 
}
body{
  display: flex;
  align-items: stretch;
}
#showLog{
  background: #e4d1d1;
  padding: 10px;
  overflow-y: scroll;
  height: 100vh;
  flex: 0.4;
}
#clickbtn{
  overflow-y: scroll;
  height: 100vh;
  flex: 0.6;
}
#userGroup{
  padding-left: 15px;
}

input{
  padding: 3px 5px;
  margin: 10px;
}
